A trampoline workout can get your heart rate up, boost strength, and improve your balance. Here's what happened when I did it ...

For higher-intensity exercise, try activities like running ... walking and jumping rope are just some examples of cardio exercises you can do. Other types of cardio exercises include dancing ...

For example, endurance athletes or those looking to improve cardio fitness are likely to have a fitness routine that is more cardio-based and includes activities such as running or cycling.

for example, says Mahoney. "People of all fitness levels and abilities can do some zone 2 cardio since the zones can be tailored to your individual max heart rate," says MacPherson. "Runners can ...

Scientists at Northwestern University’s Feinberg School of Medicine have developed a new way to assess cardiovascular fitness using data from your smartwatch. All it takes is a little math.